Answer:
Speciation is the process by which new species form. It occurs when groups in a species become reproductively isolated and diverge.
Explanation:
Answer:
The most widely accepted theory of planetary formation, known as the nebular hypothesis, maintains that 4.6 billion years ago, the Solar System formed from the gravitational collapse of a giant molecular cloud which was light years across. Several stars, including the Sun, formed within the collapsing cloud.
Explanation:
I believe it’s formation of snow
I not sure but i think it is 4